320212222320 has 40 divisors (see below), whose sum is σ = 992657889936. Its totient is φ = 85389925888.

The previous prime is 320212222313. The next prime is 320212222339. The reversal of 320212222320 is 23222212023.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×320212222320² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667108557 + ... + 667109036.

Almost surely, 2^320212222320 is an apocalyptic number.

320212222320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320212222320 is an abundant number, since it is smaller than the sum of its proper divisors (672445667616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320212222320 is a wasteful number, since it uses less digits than its factorization.

320212222320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334217609 (or 1334217603 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 320212222320 its reverse (23222212023), we get a palindrome (343434434343).

The spelling of 320212222320 in words is "three hundred twenty billion, two hundred twelve million, two hundred twenty-two thousand, three hundred twenty".